To find a particular title, press the control and f keys at the same time. 
O: THE OPRAH MAGAZINE
Holdings:    Kept 3 years-current
Loose:    Kept 3 years-current

OCEANS MAGAZINE    [canceled]     MAG
Holdings:    1978-1989
Microfiche:    1978-1989
[subject matter:    Marine Science]

ODYSSEY           JMAG
Holdings:    Kept 2 years-current
Loose:    Kept 2 years-current
[subject matter:    Children, For]

OFF-ROAD           MAG
Holdings:    Kept 3 years-current
Loose:    Kept 3 years-current
[subject matter:    Sports and Recreation]

OFFICE [merged with MANAGING OFFICE TECHNOLOGY]   MAG
Holdings:    1975-10/1993
Microfiche:    1975-Oct.1993
[subject matter:    Business]

OIL & GAS JOURNAL          MAG
Holdings:   Current year
Loose:    Current  year
[subject matter:    Engineering and Technology]

OLD HOUSE JOURNAL         MAG
Holdings:   Kept 3 years-current
Loose:    Kept 3 years-current
[subject matter:    Interior Design]

OLEAN TIMES HERALD  [daily]      NEWSPAPER
Holdings:     Kept 1 week
Loose:     Kept 1 week

OMNI    [canceled]        MAG
Holdings:    10/1981-April 1995
Microfiche:    10/1981-March 1995
[subject matter:    Science]

OPERA NEWS          MAG
Holdings:    July 1981June 2002; Kept 2 years-current
Loose:    Kept 2 years-current
Microfiche:    July 1981-June 2002    [microfiche canceled 2002]
[subject matter:    Music]

ORGANIC GARDENING  [was RODALE'S ORGANIC GARDENING] MAG    [now OG]
Holdings:    1968-1985; April1988-Aug. 2001
Loose:    Kept 2 years-current
Microfilm:    1968-1977    [kept in office--ask for at Reference Desk]
Microfiche:    1978-1985; April1988-Aug. 2001    [microfiche canceled 2002]
[subject matter:    Gardening]

OUTSIDE         MAG
Holdings:   Oct. 2004-current
Loose:   Oct. 2004-current

OUTDOOR LIFE          MAG
Holdings:    1970-2000; Kept 2 years-current
Loose:    Kept 2 years-current
Microfiche:    1970-Mar. 2000
[subject matter:    Sports and Recreation]
OWL            MAG
Holdings:    Kept 2 years-current
Loose:    Kept 2 years-current
[subject matter:    Children, For]